GardenGossip

GardenHouse Perennials 3929 County Road 25 Morganston R.R.#1 Castleton ON K0K 1M0 1-877-344-5622 May 22 2008

GardenHouse Nursery
Spring Season Hours

Thursday - Sunday
10AM - 5PM

Other hours by chance or appointment

To view many of the plants that we offer for sale in a garden setting, or to gather ideas for your own garden, come and browse through our display gardens and nursery beds.

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Agastache "Black Adder"

New at GardenHouse in 2008
Agastache "Black Adder"
(Black Adder Hyssop)

These are long blooming nectar-rich plants featuring dark purple bracts with smoky lilac blooms. The foliage is dark green and licorice scented.

To be perfectly honest, we're trying out this recently introduced Agastache this year after having great success in our borders with one of our favourite plants - Agastache "Blue Fortune". "Blue Fortune" is cold hardy to Zone 5 and has flourished in our windy garden. While there are some references that rate "Black Adder" hardy to Zone 5, most rate it at Zone 6. (If it is nearly as enjoyable as "Blue Fortune", it will deserve a good mulching in our garden.)

Zone: 6 (possibly 5)
Bloom time: June to September
Flower colour: Dark purple opening to smoky lilac
Conditions: Full Sun to Part Shade
Soil: Average to dry, well-drained soil
Heat and drought tolerant - Insect and disease resistant
Attractive to bees, butterflies and hummingbirds

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